fx=x^2+8x-4

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Solution for fx=x^2+8x-4 equation: 


Simplifying
fx = x2 + 8x + -4

Reorder the terms:
fx = -4 + 8x + x2

Solving
fx = -4 + 8x + x2

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = -4x-1 + 8 + x

Simplifying
f = -4x-1 + 8 + x

Reorder the terms:
f = 8 + -4x-1 + x

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